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ICD-10-CM 2027

ICD-10 code for ankle osteochondropathy

M93.97

Osteochondropathy, unspecified of ankle and foot

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Osteochondropathy › ankle”. Page updated September 29, 2026.

About coding ankle osteochondropathy

The ICD-10-CM code for ankle osteochondropathy is M93.97 (Osteochondropathy, unspecified of ankle and foot).

Within M93.9 (osteochondropathy, unspecified), M93.97 is specifically for osteochondropathy, unspecified of ankle and foot. Related codes cover of unspecified site (M93.90), of shoulder (M93.91), of upper arm (M93.92), of forearm (M93.93), of hand (M93.94), of thigh (M93.95), lower leg (M93.96), other (M93.98) and 1 more.

To report this condition, pick the subcode that matches the documentation: M93.971 (foot), M93.972 (foot) and M93.979 (foot).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about ankle osteochondropathy ICD-10 codes

What is the ICD-10 code for ankle osteochondropathy?

M93.97 — Osteochondropathy, unspecified of ankle and foot (a header code; report a more specific subcode).

Is M93.97 billable?

No. M93.97 is a header code. Report one of its more specific subcodes instead.